Accsoon TG20 User manual

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TG20 360 VR Gimbal
User Manual V1.0 20161209
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E-mail: [e-mail]

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Disclaimers and Warnings
Congratulations on purchasing you new VR Gimbal. Please read this manual and
disclaimer carefully before using this product. By using this product, you hereby
agree to this disclaimer and signify that you have read it in full. You agree that you
are responsible for your own conduct and any content created while using this
product, and for purposes that are proper and in accordance with local regulations,
terms and any applicable polices and guidelines.
Do not modify or adjust the TG20. The TG20 has been calibrated before it leaves
the factory. No modification or amending to the TG20 is allowed. Please download
the corresponding software. As Accsoon has no control over use, setup, final
assembly, modification or misuse, no liability shall be assumed nor accepted for
any resulting damage or injury. By the act of use, setup or assembly, the user
accepts all resulting liability. Accsoon assumes no liability for damage or injuries
incurred directly or indirectly from use of this product. for any resulting liability
Any questions when you using this product , please contact local distributor or
Accsoon.

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Contents
Introduction.................................................................................................................... 4
In the Box........................................................................................................................ 6
Camera Mount ............................................................................................................... 8
GoPro Mount .......................................................................................................... 8
5/6/9/10 GoPro Combinations ............................................................................ 9
Mounting the Gimbal to the Aircraft ....................................................................... 12
Mounting the Extension Rod ............................................................................. 12
Mounting the Damper Plate .............................................................................. 12
Mounting the Gimbal to the Aircraft................................................................ 13
The Gimbal Safe Distance .......................................................................................... 15
GCU Wiring................................................................................................................... 17
Operation Mode .......................................................................................................... 19
Pre-Flight Check .......................................................................................................... 20
Flight Test...................................................................................................................... 21
Generate GoPro Synchronization Signal ................................................................. 22
PC Assistant Tuning..................................................................................................... 23
Installation and Usage......................................................................................... 23
Connect the Gimbal to the PC Assistant .......................................................... 23
PC Assistant Menu ............................................................................................... 24
IMU Live Data ....................................................................................................... 24
Parameters ............................................................................................................ 24

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Working Mode ..................................................................................................... 25
Calibration ............................................................................................................. 26
Motor Switch ........................................................................................................ 26
Firmware Upgrade ............................................................................................... 27
Troubleshooting........................................................................................................... 28
Specification ................................................................................................................. 29

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Introduction
The TG20 is a multi-function stabilizer for 360 video shooting, based on our
years of stabilizer development experience, is the most advanced 360 video
shooting stabilization platform to date. The technology built into the TG20 allows
the user easily use and bring world-class movement translation and stability to the
professional cinematographer's market.
TG20 comes with an independent high performance IMU module, no need
work with other controllers, so it can be use on any multi-rotors、drones、cars or
other platforms. High performance motor servo systems with position feedback
and IMU to communicate with our custom 32-bit processor, which processes
movement calculations in 0.001 seconds, this equates to control and stability
accuracy down to 0.01 degrees of translated movements, meaning your images
are going to be perfectly stable in all three axes of movement.
A GoPro power supply system built into TG20, it can be power 10 GoPro
simultaneously, so the customer no need worry about Gopro shooting time. A
buzzer can be generate sound synchronization signal for video post-processing
also comes with the TG20 .
Working Modes
Pan Lock mode
Pan Follow Mode
Gimbal Direction
Always point to the initial
Track the drone or joystick

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position
direction
Receiver Control
3 axis controllable
Pan axis uncontrollable,
Roll&Tilt axis controllable
Thumb controller
linear control
The speed increases with the
distance between the thumb
controller and the original
point
The speed increases with the
distance between the thumb
controller and the original
point

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In the Box
Gimbal ×1
1. Built-In GCU Controller
2. High performance Motor Servo System
3. High accuracy IMU Angles Stabilization System
4. GoPro Power Supply System
GOPRO Camera Holder
1. GOPRO 4 Camera Holder ×10
2. GOPRO 5 Camera Holder ×10
Vibration Damper Plate
1. Vibration Damper Frame ×2
2. Vibration Damper Ball ×12
3. M3×8mm Flat-head Inner Hexagon Screw ×8
Vibration Damper Plate Tube Clamp
1. Tube Clamp ×4
2. M2.5×16mm Conical Countersunk Screw ×8
Screw Package ×1

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Extension Rod ×2
Safety Cable ×1
Servo Cable Package ×1
1. Servo Cable ×6
USB Cable ×1

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Camera Mount
GoPro Mount
Put the hexagon screws through the camera holders to fix the GoPro on the
camera plates.
NOTE: When mounting GoPro Hero 4, use M3 ×25mm screws; When
mounting GoPro Hero 5, use M3×30mm screws.
For convenience of changing batteries and CF memory card, please make sure
to install GoPro Hero 5 cameras staggering up and down to prevent battery
compartment blocked.

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1 or 2pcs GoPro can be mounted on the bottom. When mounting two GoPro,
make sure two Gopro are installed back to front to keep gravity balance.
5/6/9/10 GoPro Combinations
(a) 5 GoPro Combination

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(b) 6 GoPro Combination
(c) 9 GoPro Combination

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(d) 10 GoPro Combination
When mounting 5 or 6pcs GoPro, make sure the GoPro display screen are up
and lens down as the below pictures to keep gravity balance.

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Mounting the Gimbal to the Aircraft
Mounting the Extension Rod
Mounting the extension rod to the gimbal with the M3×12mm screws, fix the
screws tightly to prevent from loosening or dropping.
According to the specific use, one or two extension rod can be used. When
the diagonal size of the aircraft is within 850mm(including propeller size), one
extension rod is ok for use. When the diagonal dimension of the aircraft is above
1140mm, two extension rods needed.
Mounting the Damper Plate
Mounting the damper plate to the another end of the extension rod with the
M3×12mm screws, fix the screws tightly to prevent from loosening or dropping.

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After completing the above steps, the gimbal assembly is complete.
(a) One extension rod (b) Two extension rods
Mounting the Gimbal to the Aircraft
Use tube clamp to attach loading tube with aircraft tightly. The space between
two loading tube is 155mm.

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Instead of using loading tube ，use damper plate to attach to DJI
S900/S1000/M600 directly.

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The Gimbal Safe Distance
The following figure takes the GoPro 4 as an example. The GoPro settings is:
the viewing angle is widest which is about 170 degrees, video aspect ratio is 4:3,
recording format is 30fps 2.7K or 60fps 1080p.
When there are 8 GoPro vertically mount onto the gimbal and the wide
viewing angle is in 4:3 mode, the minimum vertical safety distance is 30cm, the
viewing overlapping ratio of cameras is about 60%.

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When there are 4 GoPro vertically mount onto the gimbal and the wide
viewing angle is in 4:3 mode, the minimum vertical safety distance is 45cm, the
viewing overlapping ratio of cameras is about 10%.
When there are 2 GoPro mount onto the gimbal bottom and the wide viewing
angle is in 4:3 mode, the minimum bottom safety distance is 18cm，the viewing
overlapping ratio of cameras is about 50%.

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GCU Wiring
Port
Function
RC Channel
S.BUS
Support Futaba S.BUS protocol
Related to S.BUS
channel
ROLL
Control the gimbal roll axis
Related to channel 1
(AILE)
TILT
Control the gimbal tilt axis
Related to channel 2
(ELEV)
PAN
Control the gimbal pan axis
Related to channel 4
(RUDD)
MODE
Control the gimbal working mode
Related to channel 5
(3 -position switch)
SPEED
The gimbal rotational speed control
Related to channel 6
(3 -position switch)
ZOOM
Reserved
Reserved
AV-OUT
The DJI 3.5 headphone cable can be
DO NOT CONNECT

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directly connected to DJI's OSD system
to monitor the screen.
3.5MM headphone cable respectively
has 4 colors: red is S-VIDEO output and
black is GND ground output.
3.5mm JACK TO
POWER SOURCE!
Port
Function
USB
Link to PC for testing and upgrade
4Pin Serial
Port
Reserved

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Operation Mode
The TG20 support two operation mode: underslung mode and upright mode,
user may mount the gimbal on aircrafts, cars, helmets etc.
(a) Underslung Mode (b) Upright Mode
There is no need special setting lets the gimbal work in one of the two modes,
just mount the gimbal as you needed and then power on it.